Regulation

Regulation  301 CMR 11.00: MEPA Regulations

This is an unofficial version of Commonwealth regulations and is posted here for the convenience of the public. It is not an official statement of the regulations. 

Current Regulations

These regulations, 301 CMR 11.00, became effective as of January 30, 2026.

Note: This is an unofficial version of Commonwealth regulations and is posted here for the convenience of the public. It is not an official statement of the regulations.

Proposed MEPA regulations

There are no proposals for regulatory amendments at this time.

MEPA Advisory Committee

Ways to Participate in MEPA Regulatory Review

Public comments or other inquiries about the MEPA regulatory review process can be sent to MEPA-regs@mass.gov. 

Please note that all comments received by the MEPA office, including the email address and contact information of the sender, will be treated as public records under state and federal public records law.

To subscribe and receive regular updates regarding the MEPA regulatory review effort, please send a blank email  to subscribe-mepa_reg_review@listserv.state.ma.us. Please ensure that both the subject line and the body of the email are blank and that the email does not contain an automatic signature or your email address will not be added to the listserv. If you receive an error message, please contact MEPA@mass.gov.  

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